With the Rock Glow Guitar kids will get excited about making music while getting exercise! For the guitar to make real rocking sounds effects, kids must continuously jump up and down. With fun features like a whammy bar, 4 key notes, and volume control, this musical toy will make any toddler feel like they are center stage! Batteries are included. Hands-on engagement helps young learners develop essential music skills and expand their self-expression. A rich musical environment fosters physical, intellectual, and emotional growth in children. For more than 80 years, parents have trusted Fisher-Price to provide safe products for their children. Every product is designed to meet safety regulations and standards. Develops hand-eye coordination Vibrant color improves visual perception skills and encourages hand eye coordination. Develops motor skills and creative thinking Sound improves auditory skills.